The following are semi-plenary speakers, arranged by workshops.

The purpose of semi-plenary talks is to present material of wider significance, ranging beyond the narrower technical discussion typical to workshops.

PERIOD 1 Thursday 30th June - Saturday 2nd July

WORKSHOP 3 Information-based complexity Peter Hertling "On the solvability of ill-posed problems in two models of computation" Boleslaw Kacewicz "Solving ordinary differential equations -- from worst case to quantum setting" Frances Kuo "Constructing good embedded lattice sequences with millions of points" WORKSHOP 6 Special functions and orthogonal polynomials Christian Berg "A positivity result for Bessel polynomials" Tom Koorwinder "The Askey scheme as a four-manifold with boundary" Herbert Stahl "Orthogonal polynomials, Padé approximants, and sets of minimal capacity" WORKSHOP 8 Computational algebraic geometry Marc Giusti "Singularities may reduce complexities... Unfortunately, not always" Ilya Itenberg "Tropical geometry and asymptotic enumeration of real rational curves" Askhold Khovanski "Insolvability of equations in finite terms" WORKSHOP 10 Multiresolution and adaptivity in numerical PDEs Ron DeVore "A new class of anisotropic spaces" Don Estep "Fast and reliable methods for determining the evolution of uncertain parameters in differential equations" Ricardo Nochetto "Convergence of AFEM for general elliptic operators and the Laplace-Beltrami operator" WORKSHOP 15 Geometric modelling and animation Guido Brunnett "Towards automatic segmentation in reverse engineering" Rida Farouki "Geometrical and algorithmic foundations for the Minkowski algebra of complex sets" Knut Morken "Computations with the control polygon" WORKSHOP 19 Computational geometry and topology Nathan Dunfield "Does a random 3-manifold fiber over the circle?" Herb Edelsbrunner "Steps into computational algebraic topology" John Sullivan "Geometric knot theory" WORKSHOP 20 Mathematical control theory and applications Herschel Rabitz "Controlling quantum dynamics phenomena with shaped laser pulses acting as photonic reagents" Michel Sorine "The heart: a controlled multi-scale distributed system" Marius Tucsnak "Some recent results on the analysis and the control of fluid-structure interactions"

PERIOD 2 Monday 4th July - Wednesday 6th July

WORKSHOP 2 Geometric integration and computational mechanics Tom Bridges "Some questions about symplectic and multi-symplectic discretizations" Arieh Iserles "On an isospectral Lie-Poisson flow and numerical computation of faithful Lie-algebra representations" Ben Leimkuhler "New time reversible and volume preserving multiple scale integrators" WORKSHOP 4 Learning theory Nicolo Cesa-Bianchi "Regularized least squares for classification" Partha Niyogi "A geometric perspective on learning theory and algorithms" Martin Wainwright "Stable message-passing and convex surrogates for learning in Markov random fields" WORKSHOP 5 Optimization Robert Freund "Randomized methods for (continuous) deterministic optimization and associated complexity analysis" Katya Scheinberg "Geometry of sample sets in derivative free optimization" Levent Tuncel "The theory and the reach of interior-point methods continue to expand!" WORKSHOP 12 Relations with computer science: Algorithmic game theory and metric embeddings Piotr Indyk "Approximations and streaming algorithms for geometric data" Michael Kearns "The effects of network structure on equilibria and computation" Berthold Voecking "Approximation techniques for utalitarian mechanism design" WORKSHOP 16 Image and signal processing Emmanuel Candes "Robust uncertainty principles and signal recovery from highly incomplete information" Jean-Francois Cardoso TBA Gadiel Seroussi "Information-theoretic models in image processing" WORKSHOP 18 Symbolic analysis Evelyne Hubert "Rational and replacement invariants of a group action" Jacques Sauloy "Explicit invariants for linear q-difference equations" Werner Seiler "Vessiot theory of differential equations" WORKSHOP 21 Random matrices Philippe Biane "Free probability and random matrices" Arno Kuijlaars "Universality for eigenvalue spacings of random matrices" Marc Potters "Financial applications of random matrix theory: Risk control and portfolio optimization"

PERIOD 3 Thursday 7th July - Saturday 9th July

WORKSHOP 1 Foundations of numerical PDEs Franco Brezzi "Mimetic finite difference methods for diffusion problems" Stan Osher "Bregman iteration and the dual of BV in inverse problems in imaging and elsewhere" Tao Tang "Moving mesh methods for computational fluid dynamics" WORKSHOP 7 Approximation theory Francesco Marcellan "Logarithmic asymptotics of contracted Sobolev orthogonal polynomials on the real line" Gerlind Plonka "Nonlinear diffusion and wavelet shrinkage in signal processing" Ulrich Reif "Stability of B-splines on bounded domains" WORKSHOP 9 Computational number theory Daniel Bernstein "Integer factorization: a progress report" Steven Galbraith "Applications of pairings in cryptography" Rasa Slezeviciene & Jorn Steuding "The Riemann zeta-function -- an atlas of the real world" WORKSHOP 11 Numerical linear algebra Dario Bini "Solving structured Markov chains: numerical methods and open problems" Vadim Olshevsky "Structured matrices in control, filtering and eigenvalue problems" Sivan Toledo "How hyper is your graph? On the factor-width of matrices" WORKSHOP 13 Real-number complexity Felipe Cucker "Exotic quantifiers, complexity classes, and complete problems" Gregorio Malajovich "On the curvature of the central path of linear programming theory" Jan Verschelde "Software for symbolic-numerical solutions of polynomial systems" WORKSHOP 14 Computational dynamics Martin Berz "Validated integration of ODEs and PDEs with Taylor model-based tools" Alex Haro "Invariant manifolds in quasi-periodic systems: theory, computation and applications" Jacques-Arthur Weil "About the Galoisian approach to the non--integrability of (Hamiltonian) differential systems" WORKSHOP 17 Stochastic computation Steffen Dereich "High resolution coding of stochastic processes" Wally Gilks TBA Klaus Ritter "On the complexity of solving stochastic differential equations"